Machine for reducing peat turf half stuff.



PATENTED oo 15, 1907.

V annrmn. v 'MAGHINE FOR REDUCING PEAT TURF INTO HALF STUFF.

APPLICATION FILED MAR. 28. 1907.

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No. 868,256. PATENTED 001". 15, 1907.

c. E. DUNN. MACHINE FOR REDUCING PHAT TURF INTO HALF STUFF.

APPLICATION FILED MAB-28.1907.

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UNITED STATES PATENT OFFICE.

CLIFFORD E. DUNN, OF NEW YORK, N. Y., ASSIGNOR TO EDWARD METOALF, OF

PROVIDENCE, RHODE ISLAND, ADOLPH LOEWENTHAL, OF NEW YORK, N. Y.,

AND CLIFFORD E. DUNN, OF BROOKLYN, NEW

YORK, TRUSTEES.

Specification of Letters Patent.

Patented Oct. 15, 1907.

Application filed March 28, 1907. Serial No. 365.139.

To all whom it may concern:

Be it known that I, CLIFFORD E. DUNN, a citizen of the United States,residing in the city of New York, borough of Brooklyn, county of Kings,and State of New York, have invented certain new and useful Improvementsin Machines for Reducing PeatTurf into Half Stuff, of which thefollowing is a full, clear, and exact specification.

My invention relates to machines for the treatment of peat turf, wherebyit is reduced into half stuff suitable for the use of paper board orpaper manufacturers, and particularly to that type of machine whereinthe peat tiuf is spread upon a bed-plate and there subjected to theimpact and effect of reciprocating stamper's, and my invention consistsin an improved construction of such machine, whereby the stampers arealternately raised and released so as freely to descend in a directionwhereby the operating surfaces will be extremely efficient, and thesurface of the peat turf will be uniformly reduced.

My invention likewise relates to certain details of constructionhereinafter described and fully pointed out in the accompanyingdrawings, wherein Figure 1 is an elevation, partly in section, of myimproved machine, Fig. 2 is a plan thereof, part being broken away forclearness of illustration; Fig. 3 is a development of the cam grooveshowing the course of the cam rollers; and Fig. 4 is a detail of thesuspending and operating devices for the stamping shaft op- I cratingrollers.

My machine is equipped with a bed-plate 1, and with upright standards 2,of which I have shown four, which are firmly attached to the bed-plate,as by bolts. These standards are at their upper ends united by a frame3, which has four arms projecting therefrom, which arms, for aboutone-half their length, radiate as at 4, and are then bent at an obtuseangle, terminating in straight portions 5.

An annular trough or peat turf carrier 6 is provided with outer walls 7and inner walls 8, and with a bedplate 9, which is preferably formed ofsome rigid material, such as stone or iron, and upon which is uniformlyspread a layer of peat turf 10. The carrier 6 likewise has a floor 11,which is provided with stiffening braces, and an outer annular rib ortrack 12, by means of which the carrier is supported and rotated upontraveling rollers or wheels 13, which, in turn, revolve upon the upperflange of an annular ring or web 14, which is mounted upon thebedplate 1. These rollers 13 are maintained in proper position by axles15, upon which they are journaled so-as to freely revolve. The carrier 6is revolved through a toothed ring 16, fixed upon the floor 11 at itsouter circumference, which in turn is engaged by a beveled pinion 17,fixed upon main driving shaft 18, which carries driving pulley 19, andis supported in hearings in frame 53. Stampers 20 are provided withshafts 21, rectangular in cross-section, and having thickened portionsat 22, and which are guided in lower rectangular bearings 23 formed inlower bearing arms 24, which arms at. their outer ends are attached tobrackets 25, projecting from standards 2. Rectangular bearings 26 forthe support of the stamper shafts at their upper ends are formed inbearing arms 27, which are attached to brackets 28, projecting from theopposite side of standards 2 from 25. By means of such rectangularbearings the stamper shafts are supported and guided in theirreciprocations and prevented from turning. The stamper shafts 21 areinclined at an angle of approximately 45 degrees in the direction of themovement of the carrier, and to accomplish this the lower bearings 23are in different vertical planes than the upper bearings 26.

The stampers and stamper shafts are raised by means of friction rollers29, 30, of which there is one pair for each shaft. Lower frictionrollers 29 are mounted upon shafts 31, supported at one end in bearings31 in the standards 2, and at the other end in bearings in shaft hangers32, which depend from the outer portion 5 of the upper frame 3. Upperrollers 30 are mounted upon shafts 33, which are mounted upon theforward ends of rocking cam-actuated levers 34 and' arms 35, both ofwhich are fixed upon rock shafts 36, which are mounted to rock inbearings in layer 32 and in bearings 37 upon the upright standard 2. Theinner ends of levers 34 carry rollers 38, which enter and travel in aperipheral groove formed in cam wheel 39.

Rollers 29 are idlers and the lifting of the stamper shafts 21 iseffectuated by the pressure of upper roller 30 upon the surface of thesaid shaft and the revolution of said rollers, and I will now describethe means whereby said upper rollers 30 are revolved. This is clearlyshown in Fig. 2 and in Fig. 4, which latter figure is a detail viewtaken from within the machine looking outward on the line 44 of Fig. 2.Shafts 33, upon which the upper rollers 30 are mounted, are extendedinward from the said rollers, and are connected to shafts 40 byuniversal joint connections, and said shafts 40 contain second universaljoints near their inner ends, inside of which they are supported byhearings in hangers 41, which depend from inner arms 4 of frame 3. Uponthe inner end of said shafts 40 are fixed bevel gears 42, which engagethe teeth of a larger beveled gear 43, and by means of this the saidshafts 40 and upper rollers 30 are rotated.

Cam wheel 39 and beveled pinion 43 are both fixed upon the main shaft44, 45 in the upper frame 3, and 46 in bed-plate 1. This main shaft isdriven by a beveled gear 47 at its lower end, through beveled pinion 48mounted upon a shaft 49, which is supported in bearings 50 mounted uponthe bed-plate 1, and bearings 51, 52, in a frame 53, which is mountedupon bed-plate 1 outside of the frame. At the outer end of shaft 49 is apinion 54 meshing with gear wheel 55, mounted upon driving shaft 18. Theaxles 15 which carry the rollers 13 for the peat carrier radiate from ahub 56 loosely carried by main shaft 44.

The operation of my machine will be readily understood from theforegoing description. The main driving pulley l9 revolving in thedirection of the arrow upon its outer face, will cause the peat carrier6 to be moved in the direction indicated by the arrow in Fig. 1. Duringthis motion the counter-shalt 49 and main shaft 44 will revolve asindicated by the arrow in Fig. l, whereupon beveled pinions 42 andconnected upper rollers 30 will be revolved in the direction indicatedby the arrows in Fig. 1, and when the cam roller 38 has ridden up theincline to the top of the cam groove in wheel 39, the upper rollers 30will be pressed hard upon the thickened portion 22 of stamper shaft 21,and lower rollers 29 then revolving idly, will permit the revolution ofupper rollers 30 to lift the said stamper shaft and stamper out ofcontact with the peat turf. In Fig. 1 the stampers at the right in theforeground are shown at the beginning of this lifting movement. When thewhich is mounted in bearings l stamper shafts shall have been lifted sofar that the thickened portions 22 thereof shall have passed without thegrip of rollers 29 and 30, the said shafts will remain in such positionwith both rollers revolving idly until cam rollers 38 will ride down thegroove in cam wheel 39, whereupon upper rollers 30 will be lifted andperseseae and means for reciprocating said stamper in a plane inclinedrelative to the surface of the carrier, and means for --plane of thepeat-receiving surface of said carrier and means for causing thestampers to engage different portions of the surface of the peat turf,whereby the entire body of the peat turf will be subjected to the actionof the stampers, substantially as described.

4. In a peat-turf stamping machine a traveling carrier, a plurality ofreciprocating stampers and means for reciprocating said stampers in aplane inclined relative to the plane of the peat-receiving surface ofsaid carrier, means for moving the carrier and means for reciprocatingthe stamper, whereby the entire surface of the peat turf will besubjected to the action of the stampers, substantially as described.

5. In a peat-turf stamping machine a carrier, a reciprocating stamperarranged in operative relation thereto, and means for reciprocating saidstamper in a plane inclined relative to the plane of the peat receivingsurface of. the carrier, means for permitting the stamper to dwell uponthe peat turf between reciprocations, whereby a rub hing or massagingeffect is produced, and means for causing the stamper to engagedifferent portions of the surface of the peat turf, substantially asdescribed.

6. In a peat-turf stamping machine a traveling carrier, a plurality ofreciprocating stampers and means for reciprocating said stampers in aplane inclined relative to the plane of the peat-receiving surface ofsaid carrier, means for moving the carrier and means for reciprocatingthe stamper, whereby the entire surface of the peat turf will mit thefree and rapid descent of the stamper shafts and connected stampers. Thestampers at the left of said figure, in the foreground, are shown as intheir upper or lifted position.

I have shown the stampers provided with an operating face convex in thedirection of the movement of the peat turf, and having a slightlygreater degree of convexity at the rear portion 57, where the peat turfrides under the stamper. It will be observed that the cam rollers 38have a perceptible dwell upon the lower portion of the groove in camwheel 39, thereby permitting the stampers 20 to remain some time incontact with the peat turf. During this period of dwell the peat turfwill be moving in the direction indicated by the arrow on carrier 6 inFig. 1., and stampers 20 will then exercise a rubbing, drawing, ormassaging action upon the bed of peat turf which is contained betweenthe stampers and the rigid bed-plate 9 I It is obvious that theembodiment of my invention described and shown in the foregoingdescriptions and What I claim and desire to secure by Letters Patent 1.In a peat-turf stamping machine, a carrier, a reciprocating stamperarranged in operative relation thereto,

be subjected to the action of the stampers, means for permitting thestampers to dwell upon the peat turf between reciprocations, whereby arubbing or massaging effect is produced, substantially as described 7.In a peat-turf stamping machine, a revolving carrier, a series ofstampers uniformly disposed in operative relation thereto, a shaft for.each stamper inclined relative thereto, a plurality of bearings for eachshaft situated in different vertical planes, and means for raising saidshafts and suddenly releasing same, substantially as described.

8. In a peat-turf stamping machine, a revolving carrier, a series ofstampers disposed in radial pairs, each pair covering substantially theentire width of the carrier, a shaft for each stamper inclined relativethereto, a plurality of bearings for each shaft situated in differentvertical planes, and means for raising said shafts and suddenlyreleasing same, substantially as described.

9. In a peat-turf stamping machine a revolving carrier, a series ofstampers uniformly disposed in operative relation thereto, a shaft foreach stamper inclined relative thereto, a plurality of bearings for eachshaft situated in different vertical planes, the said shaft and bearingsrectangular in crosssection, and means for raising said shafts andsuddenly releasing same, substantially as described.

10. In a peat-turf stamping machine, a revolving carrier, a series ofstampers uniformly disposed in operative relation thereto, a shaft foreach stamper, bearings for said shaft, rollers on each side of saidshaft, means for revolving one of said rollers, and means for causingsaid roller to approach and recede from said shaft, whereby, as theroller engages said shaft, it will cause the stamper to be lifted,substantially as described.

11. In a peat turf stamping machine, a revolving carrier, a'series ofstampers uniformly disposed in operative relation thereto, a shaft foreach stamper inclined relative thereto, a plurality of bearings for eachshaft situated in different vertical planes, and means for raising saidshafts and suddenly releasing same, and means for percausing the stamperto engage different portions of the mitting said stampers to dwell asubstantial interval upon the surface of the peat turf, substantially asdescribed.

12. In a peat-turf stamping machine a revolving carrier, a series ofstampers uniformly disposed in operative relation thereto, a shaft foreach stamper, bearings for said shaft, rollers on each side of saidshaft, means for revolving one of said rollers, and means for causingsaid roller to approach and reccde from said shaft, where by as theroller engages said shaft it will cause the stamper to be lifted, andmeans for permitting said stampers to dwell a substantial interval uponthe surface of the peat turf, substantially as described.

13. In a peat-turf stamping machine a revolving carrier, a series ofStampers uniformly said roller-to approach and recede from said shaft,whereby. as the roller engages said shaft, it will cause the Stamper tobe lifted, substantially as described.

14, In a peat-turf stamping machine, a carrier, a stamper disposed inoperative relation thereto, a stamper shaft, bearings therefor, a pairof rollers disposed on opposite a pair of rollers disposed on oppositeattached to said rocking shaft, a pinion thereon, a gear on the mainshaft meshing therewith, and a gear and pinion for revolving saidcarrier, substantially as described.

16. In a peat-turf stamping machine a revolving carrier, a bed-platetherein, a tracktherefor, a gear and pinion for revolving same, aplurality of reciprocating Stampers, shafts therefor, disposed at suchan angle that the Stampers are dropped in the direction of movement ofthe carrier, bearings for said shafts, rollers for said rocking saidshaft, for actuating said lever, a flexible shaft for driving saidrocking shaft, a driving pinion on said flexible shaft, a gear on themain shaft for driving same, substantially as described.

bearings for said shafts, said shafts and bearings rectan guiar incross-section, rollers for reciprocating said shafts, a fixed bearingfor one of said rollers, a rocking shaft for the other, a rocking leverfor rocking said shaft, a vertical In testimony whereof, I have hereuntoset my hand'in the presence of two subscribing witnesses.

CLIFFORD E. DUNN. Witnesses:

ADOLPH F. DINsn, CHARLES A. SCHEUBER.

